For the cutting, I used a slow speed and about 1/4 power. This let me move along at my own pace and kept the acrylic from jumping. If you were using metal, you'd want to use a faster speed to keep the edges from bending while cutting.
Check it out over at GideonTech.
Guide: Making acrylic fan grills
Posted on Sunday, Apr 09 2006 @ 18:10 CEST by Thomas De Maesschalck